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Cheap flights from Porto Alegre to Las Vegas from $413

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto Alegre to Las Vegas departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Porto Alegre to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:15 am - 6:23 pm
POA
-
LAS
35h 08m
2 stops
United Airlines Logo
8:48 am - 2:20 pm
LAS
-
POA
25h 32m
2 stops
$834United Airlines
Sun, Jun 14 - Tue, Jun 23
LATAM Airlines Logo
6:45 am - 2:06 pm
POA
-
LAS
35h 21m
2 stops
LATAM Airlines Logo
7:00 am - 6:15 pm
LAS
-
POA
31h 15m
2 stops
$837LATAM Airlines
Tue, Apr 28 - Mon, May 11
American Airlines Logo
2:00 pm - 1:11 pm
POA
-
LAS
27h 11m
2 stops
American Airlines Logo
7:00 am - 12:15 pm
LAS
-
POA
25h 15m
2 stops
$845American Airlines
Mon, Jun 15 - Tue, Jun 23
LATAM Airlines Logo
10:05 am - 12:25 pm
POA
-
LAS
30h 20m
2 stops
LATAM Airlines Logo
12:05 pm - 7:20 pm
LAS
-
POA
27h 15m
2 stops
$850LATAM Airlines
Wed, May 27 - Tue, Jun 2
Copa Airlines Logo
1:35 am - 10:30 pm
POA
-
LAS
24h 55m
1 stop
Copa Airlines Logo
12:37 am - 12:20 am
LAS
-
POA
19h 43m
1 stop
$887Copa Airlines
Mon, Apr 27 - Sun, May 10
United Airlines Logo
3:25 pm - 3:37 pm
POA
-
LAS
28h 12m
2 stops
United Airlines Logo
8:48 am - 2:20 pm
LAS
-
POA
25h 32m
2 stops
$899United Airlines
Mon, Jun 1 - Tue, Jun 16
United Airlines Logo
5:10 pm - 8:35 am
POA
-
LAS
19h 25m
2 stops
United Airlines Logo
7:00 am - 4:20 pm
LAS
-
POA
29h 20m
2 stops
$908United Airlines
Mon, Jun 1 - Tue, Jun 16
American Airlines Logo
1:20 pm - 11:40 am
POA
-
LAS
26h 20m
2 stops
American Airlines Logo
7:00 am - 10:40 am
LAS
-
POA
23h 40m
2 stops
$930American Airlines
Tue, Apr 28 - Mon, May 11
American Airlines Logo
1:20 pm - 11:40 am
POA
-
LAS
26h 20m
2 stops
American Airlines Logo
7:00 am - 10:40 am
LAS
-
POA
23h 40m
2 stops
$934American Airlines
Tue, Apr 28 - Mon, May 11
American Airlines Logo
6:25 pm - 11:40 am
POA
-
LAS
21h 15m
2 stops
American Airlines Logo
11:25 am - 3:35 pm
LAS
-
POA
24h 10m
2 stops
$936American Airlines
Tue, May 5 - Tue, May 12

United Airlines flights from Porto Alegre to Las Vegas

Our best United Airlines deals on Porto Alegre to Las Vegas flight tickets
United Airlines
Jun 14
POA11:15 amPorto Alegre Salgado Filho
35h 08m
2 stops
LAS6:23 pmLas Vegas Harry Reid Intl
Jun 23
LAS8:48 amLas Vegas Harry Reid Intl
25h 32m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
$834
United Airlines
Jun 1
POA3:25 pmPorto Alegre Salgado Filho
28h 12m
2 stops
LAS3:37 pmLas Vegas Harry Reid Intl
Jun 16
LAS8:48 amLas Vegas Harry Reid Intl
25h 32m
2 stops
POA2:20 pmPorto Alegre Salgado Filho
$899
United Airlines
Jun 1
POA5:10 pmPorto Alegre Salgado Filho
19h 25m
2 stops
LAS8:35 amLas Vegas Harry Reid Intl
Jun 16
LAS7:00 amLas Vegas Harry Reid Intl
29h 20m
2 stops
POA4:20 pmPorto Alegre Salgado Filho
$908

LATAM Airlines flights from Porto Alegre to Las Vegas

Our best LATAM Airlines deals on Porto Alegre to Las Vegas flight tickets
LATAM Airlines
Apr 28
POA6:45 amPorto Alegre Salgado Filho
35h 21m
2 stops
LAS2:06 pmLas Vegas Harry Reid Intl
May 11
LAS7:00 amLas Vegas Harry Reid Intl
31h 15m
2 stops
POA6:15 pmPorto Alegre Salgado Filho
$837
LATAM Airlines
May 27
POA10:05 amPorto Alegre Salgado Filho
30h 20m
2 stops
LAS12:25 pmLas Vegas Harry Reid Intl
Jun 2
LAS12:05 pmLas Vegas Harry Reid Intl
27h 15m
2 stops
POA7:20 pmPorto Alegre Salgado Filho
$850
LATAM Airlines
Apr 28
POA6:45 amPorto Alegre Salgado Filho
35h 21m
2 stops
LAS2:06 pmLas Vegas Harry Reid Intl
May 9
LAS12:45 amLas Vegas Harry Reid Intl
25h 30m
2 stops
POA6:15 amPorto Alegre Salgado Filho
$996

momondo Fare Finder

 
Customize your flight search to find flights from Porto Alegre to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Porto Alegre to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Sun 6/14

11:15 am-6:23 pm

2 stops35h 08m

Las Vegas Harry Reid Intl

Tue 6/23

8:48 am-2:20 pm

2 stops25h 32m

$834

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Tue 4/28

6:45 am-2:06 pm

2 stops35h 21m

Las Vegas Harry Reid Intl

Mon 5/11

7:00 am-6:15 pm

2 stops31h 15m

$837

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 6/15

2:00 pm-1:11 pm

2 stops27h 11m

Las Vegas Harry Reid Intl

Tue 6/23

7:00 am-12:15 pm

2 stops25h 15m

$845

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Wed 5/27

10:05 am-12:25 pm

2 stops30h 20m

Las Vegas Harry Reid Intl

Tue 6/2

12:05 pm-7:20 pm

2 stops27h 15m

$850
Quickest round-trip

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 4/27

1:35 am-10:30 pm

1 stop24h 55m

Las Vegas Harry Reid Intl

Sun 5/10

12:37 am-12:20 am

1 stop19h 43m

$887

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 6/1

3:25 pm-3:37 pm

2 stops28h 12m

Las Vegas Harry Reid Intl

Tue 6/16

8:48 am-2:20 pm

2 stops25h 32m

$899

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Mon 6/1

5:10 pm-8:35 am

2 stops19h 25m

Las Vegas Harry Reid Intl

Tue 6/16

7:00 am-4:20 pm

2 stops29h 20m

$908

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Tue 4/28

1:20 pm-11:40 am

2 stops26h 20m

Las Vegas Harry Reid Intl

Mon 5/11

7:00 am-10:40 am

2 stops23h 40m

$930

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Tue 4/28

1:20 pm-11:40 am

2 stops26h 20m

Las Vegas Harry Reid Intl

Mon 5/11

7:00 am-10:40 am

2 stops23h 40m

$934

Porto AlegreLas Vegas

POA - LAS

POALAS

Porto Alegre Salgado Filho

Tue 5/5

6:25 pm-11:40 am

2 stops21h 15m

Las Vegas Harry Reid Intl

Tue 5/12

11:25 am-3:35 pm

2 stops24h 10m

$936

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from Porto Alegre to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Las Vegas?

The month of March is, on average, the cheapest month to fly to Las Vegas from Porto Alegre, with most prices found around $408. The month of August is another great option to travel to Las Vegas, with average flight prices from Porto Alegre averaging around $635.

When to book flights from Porto Alegre to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Porto Alegre to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto Alegre to Las Vegas (POA to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto Alegre to Las Vegas

Fastest flight time

20h 58m

Direct flights

None
The fastest flight from Porto Alegre to Las Vegas takes 20h 58m
There are no direct flights from Porto Alegre to Las Vegas. There are no popular flight routes from Porto Alegre to Las Vegas.
Search flight deals

  • How far is Porto Alegre Salgado Filho to Las Vegas Harry Reid Intl by plane?

    The straight-line distance from Porto Alegre Salgado Filho to Las Vegas Harry Reid Intl is 6167.1 mi. By plane, this route typically takes 20h 58m.

  • When did momondo last update prices for flights from Porto Alegre Salgado Filho Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Porto Alegre Salgado Filho Airport to Las Vegas Harry Reid Intl Airport are updated daily.

  • How old do you have to be to fly from Porto Alegre Salgado Filho Airport to Las Vegas Harry Reid Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Alegre Salgado Filho Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents required for your trip to Las Vegas Harry Reid Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Las Vegas Harry Reid Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

Why should I use momondo to find a flight deal from Porto Alegre to Las Vegas?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Porto Alegre to Las Vegas. momondo saves you time and could save you money on your trip.

Can I find flights from Porto Alegre to Las Vegas with flexible booking policies on momondo?

All flight searches from Porto Alegre to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Porto Alegre to Las Vegas?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Las Vegas from Porto Alegre.

I’m not ready to book a flight from Porto Alegre to Las Vegas right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Porto Alegre to Las Vegas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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